📄WHOIS
nazwa.pl sp. z o.o. · registered 31 years ago · expires 12/31/2029
🌐DNS
1 A · 1 MX · 5 NS · 1 PTR · 1 SOA · 7 TXT · 1 AAAA
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 222d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Academic Computer Centre CYFRONET AGH · Email: Self-hosted · Apache · PHP
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (145/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
B (66/90) · 1 MX · 1 IPs · 4 issue(s)
🔍Subdomains
3 found · 112 answered — mail, smtp, www